Premises and Equipment

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Premises and Equipment

PREMISES AND EQUIPMENT

Major classifications of premises and equipment at December 31, 2020 and 2019 are summarized as follows:

(Dollars in thousands)	Useful Life ( years)	2020		2019
Land	indefinite	$	336,258	$	335,093
Premises and leasehold improvements	3 - 40	1,286,092		1,228,588
Furniture, equipment and software	3 - 10	639,109		595,686
Total		2,261,459		2,159,367
Less accumulated depreciation and amortization		1,010,176		914,971
Total premises and equipment		$	1,251,283	$	1,244,396

Depreciation and amortization expense was $108.6 million, $103.8 million and $96.8 million for the years ended December 31, 2020, 2019 and 2018, respectively.